CN1647162A - 用于光盘驱动器的读/写头和包括该读/写头的光盘驱动器 - Google Patents
用于光盘驱动器的读/写头和包括该读/写头的光盘驱动器 Download PDFInfo
- Publication number
- CN1647162A CN1647162A CNA038083884A CN03808388A CN1647162A CN 1647162 A CN1647162 A CN 1647162A CN A038083884 A CNA038083884 A CN A038083884A CN 03808388 A CN03808388 A CN 03808388A CN 1647162 A CN1647162 A CN 1647162A
- Authority
- CN
- China
- Prior art keywords
- lens carrier
- coil
- read
- focusing
- writing head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0932—Details of sprung supports
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0933—Details of stationary parts
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0935—Details of the moving parts
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/095—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble
- G11B7/0956—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
Landscapes
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02076458.5 | 2002-04-15 | ||
EP02076458 | 2002-04-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1647162A true CN1647162A (zh) | 2005-07-27 |
Family
ID=29225668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA038083884A Pending CN1647162A (zh) | 2002-04-15 | 2003-03-20 | 用于光盘驱动器的读/写头和包括该读/写头的光盘驱动器 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20050190662A1 (de) |
EP (1) | EP1500088A1 (de) |
JP (1) | JP2005522812A (de) |
KR (1) | KR20040097352A (de) |
CN (1) | CN1647162A (de) |
AU (1) | AU2003212594A1 (de) |
WO (1) | WO2003088220A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113223562A (zh) * | 2021-05-27 | 2021-08-06 | 王旭 | 一种光磁存储器结构 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004213878A (ja) | 2002-12-30 | 2004-07-29 | Samsung Electronics Co Ltd | 光ディスクシステムのアクチュエータ及びその駆動信号提供装置 |
WO2005043514A2 (en) | 2003-10-30 | 2005-05-12 | Koninklijke Philips Electronics N.V. | Pickup unit and disk drive unit provided with such a pickup unit |
US7990819B2 (en) * | 2004-04-22 | 2011-08-02 | Panasonic Corporation | Optical head apparatus and optical information apparatus |
JP4444783B2 (ja) * | 2004-10-20 | 2010-03-31 | 株式会社日立メディアエレクトロニクス | 対物レンズ駆動装置 |
JP2008541328A (ja) * | 2005-05-10 | 2008-11-20 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | ディスクドライブに対する光学ピックアップユニット、及びかかる光学ピックアップユニットを有するディスクドライブ |
WO2007006577A1 (en) * | 2005-07-14 | 2007-01-18 | Carl Zeiss Smt Ag | Optical element |
EP1835494A1 (de) * | 2006-03-13 | 2007-09-19 | Deutsche Thomson-Brandt Gmbh | Vorrichtung für den Zugriff auf bewegliche Speichermedien und Herstellungsverfahren für die Vorrichtung |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5206762A (en) * | 1988-12-01 | 1993-04-27 | Kabushiki Kaisha Toshiba | Viscoelastic substance and objective lens driving apparatus with the same |
JPH03104027A (ja) * | 1989-09-18 | 1991-05-01 | Sony Corp | 対物レンズ駆動装置 |
KR950013703B1 (ko) * | 1991-05-13 | 1995-11-13 | 삼성전자주식회사 | 광 픽업의 대물렌즈 구동장치 |
JPH04366429A (ja) * | 1991-06-14 | 1992-12-18 | Toshiba Corp | 対物レンズ駆動装置 |
JPH08273177A (ja) * | 1995-03-31 | 1996-10-18 | Olympus Optical Co Ltd | 光学系駆動装置 |
US5905255A (en) * | 1997-01-14 | 1999-05-18 | Matsushita Electric Industrial Co., Ltd. | Objective lens driver |
US6016292A (en) * | 1997-02-28 | 2000-01-18 | Daewoo Electronics Co., Ltd. | Optical pick-up apparatus |
JP3770367B2 (ja) * | 1999-05-11 | 2006-04-26 | シャープ株式会社 | 光ピックアップ装置 |
DE19951862A1 (de) * | 1999-10-27 | 2001-05-03 | Thomson Brandt Gmbh | Optische Abtasteinrichtung |
JP2002133688A (ja) * | 2000-10-27 | 2002-05-10 | Hitachi Ltd | 対物レンズ駆動装置および光ディスク装置 |
JP3822434B2 (ja) * | 2000-12-13 | 2006-09-20 | 株式会社リコー | 対物レンズ駆動装置 |
-
2003
- 2003-03-20 CN CNA038083884A patent/CN1647162A/zh active Pending
- 2003-03-20 JP JP2003585074A patent/JP2005522812A/ja not_active Withdrawn
- 2003-03-20 EP EP03708419A patent/EP1500088A1/de not_active Withdrawn
- 2003-03-20 US US10/510,787 patent/US20050190662A1/en not_active Abandoned
- 2003-03-20 KR KR10-2004-7016385A patent/KR20040097352A/ko not_active Application Discontinuation
- 2003-03-20 WO PCT/IB2003/001158 patent/WO2003088220A1/en not_active Application Discontinuation
- 2003-03-20 AU AU2003212594A patent/AU2003212594A1/en not_active Abandoned
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113223562A (zh) * | 2021-05-27 | 2021-08-06 | 王旭 | 一种光磁存储器结构 |
CN113223562B (zh) * | 2021-05-27 | 2022-08-23 | 王旭 | 一种光磁存储器结构 |
Also Published As
Publication number | Publication date |
---|---|
KR20040097352A (ko) | 2004-11-17 |
WO2003088220A1 (en) | 2003-10-23 |
AU2003212594A1 (en) | 2003-10-27 |
US20050190662A1 (en) | 2005-09-01 |
EP1500088A1 (de) | 2005-01-26 |
JP2005522812A (ja) | 2005-07-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |